THE EFFECT OF TWO-STAGE AGE HARDENING TREATMENT COMBINED WITH SHOT PEENING ON STRESS DISTRIBUTION IN THE SURFACE LAYER OF 7075 ALUMINUM ALLOY

被引：11
|
作者：
Kaczmarek, L. [1 ]
Zawadzki, P. [1 ]
Steglinski, M. [1 ]
Wojcik, R. [2 ]
Klich, M. [1 ]
Kyziol, K. [3 ]
Kottfer, D. [4 ]
Januszewicz, B. [1 ]
Pawlowski, W. [5 ]
机构：
[1] Lodz Univ Technol, Inst Mat Sci & Engn, PL-90924 Lodz, Poland
[2] Lodz Univ Technol, Inst Machine Tools & Prod Engn, PL-90924 Lodz, Poland
[3] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, PL-30059 Krakow, Poland
[4] Tech Univ Kosice, Dept Technol & Mat, Fac Mech Engn, Kosice 04001, Slovakia
[5] Lodz Univ Technol, Inst Machine Tools & Prod Engn, Dept Mech Engn, PL-90924 Lodz, Poland
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2015年 / 60卷 / 03期
关键词：
Aluminum; heat treatment; multi stage; shot peening; residual stress;
D O I：
10.1515/amm-2015-0338
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The article present the results of the study on the improvement of mechanical properties of the surface layer of 7075 aluminum alloy via two-stage aging combined with shot peening. The experiments proved that thermo-mechanical treatment may significantly improve hardness and stress distribution in the surface layer. Compressive stresses of 226 MPa +/- 5.5 MPa and hardness of 210 +/- 2 HV were obtained for selected samples.
引用
收藏
页码：1993 / 1997
页数：5
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